« previous next »

Author Question: A caldera is formed ____. a. when seawater reacts with hot basalt b. in volcanoes which do not ... (Read 66 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 13, 2018
A caldera is formed ____.
   a. when seawater reacts with hot basalt
   b. in volcanoes which do not have enough steam pressure to support solidified magma
   c. from pyroclastic flows
   d. when volcanoes form in freshwater lakes
   e. by the collapse of a magma chamber

Question 2

A low, bowl-shaped crater encircled by a low rim is a(n) ____.
   a. pahoehoe
   b. aa
   c. maar
   d. lahar
   e. pumice


l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: e

Answer to Question 2

ANSWER: c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Bow shock formed by the magnetosphere of LL Orionis (center) as it collides with the Orion Nebula fl Bow shock formed by the magnetosphere of LL Orionis (center) as it collides with the Orion Nebula fl
A blood smear. The smear reveals representative cells from each formed element group: red blood cell A blood smear. The smear reveals representative cells from each formed element group: red blood cell
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
Potentially Active Volcanoes of the Western U.S Potentially Active Volcanoes of the Western U.S
The rapid collapse of the South Vietnamese army in 1975 caught many by surprise. Evacuees formed a ... The rapid collapse of the South Vietnamese army in 1975 caught many by surprise. Evacuees formed a ...
What is the [OH-] in a seawater sample if the pH is 8.65? What is the [OH-] in a seawater sample if the pH is 8.65?
Video: Stimulus (introduction)

For a complete list of videos, visit our video library